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MAX1595 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part # MAX1595
Description  Regulated 3.3V/5.0V Step-Up/Step-Down Charge Pump
PDF  8 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1595 Datasheet(HTML) 3 Page - Maxim Integrated Products

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Regulated 3.3V/5.0V Step-Up/Step-Down
Charge Pump
_______________________________________________________________________________________
3
__________________________________________Typical Operating Characteristics
(Circuit of Figure 4, VIN = 2V for MAX1595_ _ _33, VIN = 3V for MAX1595_ _ _50, TA = +25°C, unless otherwise noted.)
0.1
10
1
1000
100
10000
02
13
4
5
NO LOAD SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
6
VOUT = 5V
200ns/div
OUTPUT WAVEFORM
MAX1595 toc02
OUTPUT WAVEFORM. AC-COUPLED.
VIN = 3.6V, ILOAD = 100mA, COUT = 1
µF
VOUT = 5V
4.90
5.00
4.98
4.96
4.94
4.92
5.06
1
10
100
1000
OUTPUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
5.04
5.02
VIN = 3V
VIN = 3.6V
VIN = 3.3V
VOUT = 5V
100
0
1
10
100
3V EFFICIENCY
vs. LOAD CURRENT
20
10
LOAD CURRENT (mA)
40
30
60
70
50
80
90
VIN = 1.8V
VIN = 2.4V
2ms/div
LINE-TRANSIENT RESPONSE
MAX1595 toc07
A: INPUT VOLTAGE: VIN = 3.1V TO 3.6V, 500mV/div
B: OUTPUT VOLTAGE: ILOAD = 50mA, 100mV/div
A
B
100
0
0.1
1
10
100
1000
5V EFFICIENCY
vs. LOAD CURRENT
20
LOAD CURRENT (mA)
40
60
80
70
50
30
10
90
VIN = 3.6V
VIN = 3.3V
VIN = 3V
100
µs/div
SHUTDOWN TIMING
MAX1595 toc06
A: OUTPUT VOLTAGE: RL = 100
Ω, 2V/div
B: SHDN VOLTAGE: 2V/div
A
5V
B
200
µs/div
LOAD-TRANSIENT RESPONSE
MAX1595 toc08
A: LOAD CURRENT: ILOAD = 5mA to 95mA, 100mA/div
B: OUTPUT VOLTAGE: AC-COUPLED 100mV/div
A
B
COUT = 1
µF
1
0
2
4
3
5
6
0
2
1
3
4
5
6
OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
VOUT = 5V, ILOAD = 125mA
VOUT = 3.3V, ILOAD = 75mA



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